Night light insert for a fragrance diffuser unit



FIG. 1 is a front, left side perspective view of a night light insert for a fragrance diffuser unit showing my new design, the dispenser being shown in broken lines for illustrative purposes only;

FIG. 2 is a front, left side and top perspective view of the night light insert of my new design;

FIG. 3 is a front elevtional view thereof;

FIG. 4 is a left side elevational view thereof, the right side being a mirror image of the left side;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a night light insert for a fragrance dispenser unit, as shown and described. 